Home / 1,433,013.29-1,977,588.97-788,435.33

Finding the Fourth Proportional to 1,433,013.29, 1,977,588.97 and 788,435.33

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Solution

The fourth proportional to 1,433,013.29, 1,977,588.97 and 788,435.33 is: 1,088,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,013.29 : 1,977,588.97 = 788,435.33 : x
  2. Step 2: Convert to fraction form
    1,433,013.29/1,977,588.97 = 788,435.33/x
  3. Step 3: Cross multiply
    1,433,013.29x = 1,977,588.97 × 788,435.33
  4. Step 4: Simplify right side
    1,433,013.29x = 1,559,201,012,166.31
  5. Step 5: Solve for x
    x = 1,559,201,012,166.31/1,433,013.29
  6. Step 6: Final answer
    x = 1,088,057.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.